A demonstration of the hair product Caboki has garnered more than 5 million views since being posted on YouTube about a week ago, and it's easy to see why.

Simply by having someone rub a can of the product against his head, a formerly bald customer suddenly develops a full head of hair, going from this:

To this:

According to Caboki's website, the product is made with natural fibers from plants that look like human hair. Due to their negative electrical charge, the fibers then stick to the positively charged human hairs and join them together, giving the appearance of fuller hair. It uses static, basically.

"The main problem I have is that with short hair, caboki doesn't stay on that well," another wrote. "I tried this on my friend with longer hair and after it has settled down, I could smack him on the head and very few caboki particles fall off."